| Patents for H01H 77 - Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting (1,434) |
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| 04/14/2009 | US7518482 Trip unit having a plurality of stacked bimetal elements |
| 04/14/2009 | US7518074 Electrical switching apparatus, and carrier assembly and independent pivot assembly therefor |
| 04/14/2009 | CA2390609C Method and apparatus for limiting movement in electrical contactors |
| 04/08/2009 | EP2045829A2 Contact Arm Mechanism for Circuit Breaker |
| 03/25/2009 | CN101395689A Switching shaft unit for an electrical contact system |
| 03/25/2009 | CN100472695C Circuit control protector |
| 03/19/2009 | WO2009035638A1 Double-break disconnect / contact system |
| 03/18/2009 | CN101388305A Circuit protecting element and circuit board having the circuit protecting element |
| 03/17/2009 | US7504914 Electrical switchgear |
| 03/17/2009 | CA2382914C Molded case circuit breaker with current flow indicating handle mechanism |
| 02/26/2009 | DE102007040163A1 Schaltgerät mit einer Schaltwelle zur Lagerung einer Drehkontaktbrücke sowie mehrpolige Schaltgeräteanordnung Switching device with a control shaft for mounting a rotary contact bridge and multipolar switchgear arrangement |
| 02/25/2009 | EP2028671A2 Circuit breaker having automatic release linkage |
| 02/17/2009 | US7492557 Switching device and electric apparatus |
| 02/12/2009 | US20090039988 Molded case circuit breaker with contact on mechanism |
| 02/11/2009 | CN101364510A Automatic jumping device for switch |
| 01/22/2009 | US20090021874 A method of providing a secondary means of overload protection and leakage current protection in applications using solid state power controllers |
| 01/15/2009 | DE102007031342A1 Method e.g. for gainig information about progression of error current, involves inserting sum current transformer at power supply and power dissipation which run primary and secondary |
| 01/06/2009 | US7474179 Electrical switching apparatus, and movable contact assembly and contact spring assembly therefor |
| 12/31/2008 | EP1328956B1 Current limiting low-voltage power circuit breaker |
| 12/30/2008 | CA2300344C Apparatus for detecting arcing faults and ground faults in multiwire branch electric power circuits |
| 12/24/2008 | EP2005459A1 Slot motor and circuit breaker including the same |
| 12/24/2008 | CN100446152C Method and device for current limitation with an automatic current limiter |
| 12/11/2008 | US20080303615 Fault Interrupter and Operating Method |
| 12/10/2008 | CN100442423C Method and device for limiting the current in a liquid metal current limiter |
| 11/27/2008 | US20080290971 Electrical service switching device |
| 11/12/2008 | EP1989721A1 Switching shaft unit for an electrical contact system |
| 11/06/2008 | WO2008107431A3 Contact lever-moving device, electrical switch, and method for the production of the contact lever-moving device |
| 11/05/2008 | EP1665317B1 Electrical switch having latching surfaces that can be pivoted under the influence of electrodynamic force |
| 10/30/2008 | DE102007019750A1 Schutzschalter und Prüfeinrichtung für einen Schutzschalter, insbesondere für einen Niederspannungsleistungsschalter Protection switch and testing device for a circuit breaker, in particular for a low-voltage circuit breaker |
| 10/14/2008 | CA2472791C Self-contained breaker reset system and method priority |
| 09/17/2008 | CN201117607Y Energy supply over load electric circuit breaker |
| 09/17/2008 | CN100419935C Circuit control protector |
| 09/12/2008 | WO2008107431A2 Contact lever-moving device, electrical switch, and method for the production of the contact lever-moving device |
| 09/10/2008 | CN201112308Y Electrical equipment switch with overcurrent protection function |
| 09/10/2008 | CN101261913A Miniature breaker |
| 09/02/2008 | CA2234506C Magnetic trip assembly and circuit breaker incorporating same |
| 08/28/2008 | WO2007137180A3 Bi-directional ground fault circuit interrupter |
| 08/28/2008 | DE10132858B4 Schutzschalter Circuit breaker |
| 08/20/2008 | CN101246794A Slot motor housing and circuit interrupter including the same |
| 08/14/2008 | US20080191819 Slot motor housing and circuit interrupter including the same |
| 08/13/2008 | EP1956624A1 Slot motor housing and circuit interrupter including the same |
| 08/05/2008 | US7408432 Receptacle type ground-fault circuit interrupter |
| 07/31/2008 | WO2008090398A1 A double-breaking contact system for a low voltage circuit breaker, a molded case circuit breaker comprising the double-breaking contact system, and a method for breaking a circuit |
| 07/31/2008 | DE102005050705B4 Kontaktsystem für einen Niederspannungsschalter Contact system for a low voltage switch |
| 07/30/2008 | CN100407356C 电路控制保护器 Circuit control protection |
| 07/30/2008 | CN100407355C 电路控制保护器 Circuit control protection |
| 07/08/2008 | US7397333 Trip unit having bimetal element located outside the yoke |
| 07/01/2008 | US7394032 Electrodynamically tilting contact system for power circuit breakers |
| 06/24/2008 | US7391289 Systems, methods, and device for actuating a circuit breaker |
| 06/19/2008 | DE102006057647A1 Installationsgerät mit einer Doppelunterbrechung Installation projector with a double break |
| 06/11/2008 | EP1929500A1 Electrical service device |
| 06/05/2008 | WO2008064494A1 Liquid metal current switch |
| 06/04/2008 | CN201069750Y Secure protection switch |
| 05/14/2008 | CN201060826Y Current overload protector with switch function |
| 05/14/2008 | CN201060825Y Overcurrent protection switch |
| 05/06/2008 | US7369022 Auxiliary switch sub-assembly and electrical switching apparatus employing the same |
| 05/06/2008 | CA2225064C Contact arm with internal in-line spring |
| 04/23/2008 | CN201051478Y A current limit circuit |
| 04/17/2008 | US20080088395 Movable contactor of circuit breaker and fabrication method for finger thereof |
| 04/16/2008 | EP1912240A1 Low-voltage device with rotating element with high electrodynamic strength. |
| 04/16/2008 | CN201048215Y Switch overload protecting plug |
| 04/15/2008 | US7358838 Electrical switching apparatus and trip indicator therefor |
| 04/10/2008 | US20080084266 Trip unit having a plurality of stacked bimetal elements |
| 04/02/2008 | EP1906430A1 Electrical switching apparatus including a split core slot motor and method of installing a slot motor assembly in a circuit interrupter |
| 03/05/2008 | CN100373518C Adjustable switch structure |
| 02/14/2008 | US20080036561 Method and Device for the Safe Operation of a Switching Device |
| 02/06/2008 | CN201018278Y Insertion direct connection type surge protector |
| 02/06/2008 | CN201017836Y Overload protecting switch |
| 01/17/2008 | US20080012669 Burden resistor temperature compensation algorithm |
| 01/17/2008 | US20080012664 Maglatch mechanism for use in lighting control pod |
| 01/09/2008 | CN101103427A Blow open moving contact assembly for electric power switching apparatus with a very high current interruption rating |
| 01/03/2008 | US20080001687 Electrical Installation Switching Device |
| 12/18/2007 | US7310032 Remote controlled circuit breaker switch handle engagement apparatus |
| 12/05/2007 | CN200986906Y Seesaw switch with overcurrent protection mechanism |
| 11/29/2007 | CA2652771A1 Bi-directional ground fault circuit interrupter |
| 11/28/2007 | CN100351968C Circuit control protector |
| 11/13/2007 | CA2242066C Rotary contact assembly for high ampere-rated circuit breakers |
| 11/08/2007 | DE102005050980B4 Kontaktsystem für einen Niederspannungsschalter Contact system for a low voltage switch |
| 11/01/2007 | US20070251809 Electrodynamically Tilting Contact System for Power Circuit Breakers |
| 10/31/2007 | EP1850361A1 Fast overcurrent actuator, and its application |
| 10/24/2007 | CN101061561A Automatic circuit breaker with tripping device activated by a movable contact |
| 10/24/2007 | CN100345238C Fault current tolerable contactor |
| 10/18/2007 | WO2007116311A1 Slot motor and circuit breaker including the same |
| 10/18/2007 | CA2646381A1 Slot motor and circuit breaker including the same |
| 10/09/2007 | US7280013 Self-contained breaker reset system and method |
| 10/04/2007 | WO2007111395A1 Circuits breaker having resetting function and breaking function for abnormal current |
| 09/26/2007 | EP1836715A2 Blow open moving contact assembly for electric power switching apparatus with a very high current interruption rating |
| 09/26/2007 | CN200953333Y Double-breaking safety switch |
| 09/19/2007 | EP1644952B1 Method and device for current limitation with an automatic current limiter |
| 09/19/2007 | EP1644951B1 Method and device for limiting the current in a liquid metal current limiter |
| 09/12/2007 | EP1069584B1 Current limiter and circuit breaker with current-limiting function |
| 09/07/2007 | WO2007098943A1 Switching shaft unit for an electrical contact system |
| 09/06/2007 | DE102006009645A1 Schaltwelleneinheit für ein elektrisches Kontaktsystem Switch shaft unit for an electrical contact system |
| 08/30/2007 | WO2006075232A9 Blow open moving contact assembly for electric power switching apparatus with a very high current interruption rating |
| 08/29/2007 | CN101026054A Electrical switching apparatus, power distribution system, and method employing breakpoint trip |
| 08/22/2007 | CN2938381Y Power supply overload device of relay |
| 08/09/2007 | WO2007088080A1 Contact system for electrical switchgear |
| 08/09/2007 | US20070182514 Control cartridge and control handle including same |
| 08/01/2007 | EP1812943A1 Automatic circuit breaker with tripping device activated by a movable contact |
| 07/25/2007 | CN1328744C Circuit control protector |